CN205871643U - Engineering drive mechanism - Google Patents
Engineering drive mechanism Download PDFInfo
- Publication number
- CN205871643U CN205871643U CN201620763210.0U CN201620763210U CN205871643U CN 205871643 U CN205871643 U CN 205871643U CN 201620763210 U CN201620763210 U CN 201620763210U CN 205871643 U CN205871643 U CN 205871643U
- Authority
- CN
- China
- Prior art keywords
- traction
- rocking arm
- fixing sleeve
- haulage gear
- plectrum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Landscapes
- Tires In General (AREA)
Abstract
The utility model discloses an engineering drive mechanism, including pull body, tow lug, pull the axle, the plectrum and with pull the fixing sleeve of the head connection of body, the rear portion of pulling the body is equipped with the shaft, the both ends of shaft are equipped with the wheel respectively, pull the axle one end with the tow lug is connected, the other end that pulls the axle passes fixing sleeve can be relative the fixing sleeve back -and -forth movement, pull the epaxial slurcam that still is equipped with, the slurcam is located fixing sleeve keeps away from one side of tow lug, the plectrum with the head that pulls the body rotates to be connected, the upper portion of plectrum is located the rear of slurcam, the sub -unit connection of plectrum has the check band, the other end of check band with the arrestment mechanism of wheel connects. Engineering drive mechanism, the mechanical inertia that utilizes the in -process of marcing carry out the service brake design, simple structure, install and remove convenience, low in manufacturing cost, and be safe in utilization.
Description
Technical field
This utility model relates to mechanical traction field, particularly relates to a kind of engineering haulage gear.
Background technology
General, the front end that trailer or trailer are waited for bus is designed with engineering haulage gear, with traction vehicle below.Tradition
, engineering haulage gear is made up of parts such as drawing body, wheel shaft and wheel, and it is furnished with simple parking braking, is typically unworthy of
Put service brake.When tractor above brakes, trailer below can move under effect of inertia, can draw engineering
Mechanism and vehicle below all bring damage, there is the biggest potential safety hazard during use.Also there is the work of some high-end products
Journey haulage gear possible configuration service brake, but the structure of service brake configuration is complex, and price costly, installs dimension
Repair inconvenience, be not easy to the use of terminal client.
Summary of the invention
Based on this, this utility model is to overcome the defect of prior art, it is provided that one is configured with service brake, structure letter
Single, the engineering haulage gear of use safety.
Its technical scheme is as follows:
A kind of engineering haulage gear, including traction body, bail, axis of traction, plectrum and with described traction body
The fixing sleeve that head connects, the rear portion of described traction body is provided with wheel shaft, described wheel shaft be respectively arranged at two ends with wheel, described
One end of axis of traction is connected with described bail, the other end of described axis of traction through described fixing sleeve and can relatively described in
Fixing sleeve moves forward and backward, and described axis of traction is additionally provided with promotion plate, and described promotion plate is positioned at described fixing sleeve away from described
The side of bail, described plectrum is connected with the head rotation of described traction body, and the top of described plectrum is positioned at described promotion
The rear of plate, the bottom of described plectrum connects check band, and the other end of described check band connects with the arrestment mechanism of described wheel
Connect.
Wherein in an embodiment, described engineering haulage gear also includes that being set in the elasticity outside described axis of traction delays
Stamping, described axis of traction is provided with limiting plate near the shaft part of described bail, and described resilient snubber is positioned at described limiting plate
And between described fixing sleeve.
Wherein in an embodiment, described engineering haulage gear also includes that protective housing, described protective housing are located at
Outside described axis of traction, described protective housing is connected with the head of described traction body, described fixing sleeve and described containment vessel
Body connects.
Wherein in an embodiment, described traction body includes the first rocking arm and the second rocking arm, described first rocking arm
Rear portion is provided with described wheel shaft, and described first rocking arm is hinged with described wheel shaft, one end of described second rocking arm and described first rocking arm
Front end hinged, the other end of described second rocking arm is connected with described protective housing.
Wherein in an embodiment, described engineering haulage gear also includes that the first fixture, described second rocking arm include
The rocking arm plate body that two pieces are oppositely arranged, described protective housing includes the transverse slat being arranged on above described axis of traction and is arranged on institute
Stating the transverse slat side plate along axis of traction axial direction both sides, two blocks of side plates of described protective housing are positioned at two pieces of described second rocking arm
Between rocking arm plate body, described side plate is connected by described first fixture with described rocking arm plate body, described plectrum and described first
Fixture is hinged.
Wherein in an embodiment, described engineering haulage gear also includes the second fixture, during described fixing sleeve is
The cube structure of hollow structure, a pair side that described fixing sleeve is relative is equipped with and runs through through hole, and described axis of traction passes through institute
Stating and run through through hole through described fixing sleeve, described fixing sleeve is solid by described second with two blocks of side plates of described protective housing
Locking member connects.
Wherein in an embodiment, the front portion of described first rocking arm is additionally provided with fixed plate, and described fixed plate is provided with solid
Determining support bar, described fixing support bar is connected with described transverse slat away from one end of described fixed plate.
Wherein in an embodiment, described traction body is additionally provided with stable support and takes turns.
Wherein in an embodiment, described resilient snubber is spring or gum elastic.
Wherein in an embodiment, described check band is steel wire rope, and described check band is positioned at described traction body interior,
Described check band is divided into the first check band and the second check band, described first check band and one at the rear portion of described traction body
The arrestment mechanism of wheel connects, and described second check band is connected with the arrestment mechanism of another wheel.
The beneficial effects of the utility model are:
Above-mentioned engineering haulage gear, when truck combination tractor emergency brake during advancing of tractor with trailer composition
Time, tractor speed reduces, and trailer keeps constant due to effect of inertia instantaneous velocity, and engineering haulage gear, by inertia effects, leads
Drawing ring and clash at tractor hook, tractor hook produces propulsive thrust and promotes bail to run backward bail, and then, traction
Annulus moves axis of traction rearward movement, and the promotion plate being located on axis of traction promotes plectrum rearward movement, and plectrum is relative to traction body
Rotating, pull the check band being arranged on its underpart, wheel is braked by check band；After the propulsive thrust of inertia generation disappears,
Plectrum sets back automatically, and service brake disappears therewith, recovers properly functioning.Described engineering haulage gear, utilizes traveling process
In machinery inertial carry out service brake design, moved by the drive check band that swings back and forth of plectrum, and then this engineering led
Draw mechanism and carry out service brake, simple in construction, be convenient to mount and dismount, low cost of manufacture, engineering haulage gear can be met in traveling
The inertia problem caused due to tractor emergency brake, uses safety, while ensureing tractor and personal safety, protects engineering
Equipment safety on haulage gear.
Accompanying drawing explanation
Fig. 1 is the structural representation one of the engineering haulage gear described in this utility model embodiment；
Fig. 2 is the structural representation two of the engineering haulage gear described in this utility model embodiment；
Fig. 3 is structure for amplifying schematic diagram at A in Fig. 2；
Fig. 4 is to fix the structural representation after sleeve is hidden in Fig. 3.
Description of reference numerals:
10, traction body, 11, wheel shaft, 12, wheel, the 13, first rocking arm, the 14, second rocking arm, 141, rocking arm plate body, 15,
Stably support wheel, 20, bail, 30, axis of traction, 40, plectrum, 50, fixing sleeve, 60, promote plate, 70, check band, 80, bullet
Property bolster, 90, limiting plate, 100, protective housing, 102, transverse slat, 104, side plate, the 110, first fixture, 120, fixed plate,
130, fixing support bar, the 140, second fixture.
Detailed description of the invention
Below embodiment of the present utility model is described in detail:
For the ease of schematic inner structure, protective housing 100 is hidden by Fig. 2, fixing sleeve 50 is hidden by Fig. 4.As
Shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of engineering haulage gear, including traction body 10, bail 20, axis of traction 30, plectrum 40
And the fixing sleeve 50 being connected with the head of described traction body 10, the rear portion of described traction body 10 is provided with wheel shaft 11, institute
That states wheel shaft 11 is respectively arranged at two ends with wheel 12, and one end of described axis of traction 30 is connected with described bail 20, described axis of traction
The other end of 30 is through described fixing sleeve 50 and can move forward and backward, by the most described fixing sleeve 50 on described axis of traction 30 also
Being provided with promotion plate 60, described promotion plate 60 is positioned at the described fixing sleeve 50 side away from described bail 20, described plectrum 40
Being connected with the head rotation of described traction body 10, the top of described plectrum 40 is positioned at the rear of described promotion plate 60, described group
The bottom of sheet 40 connects has check band 70, the other end of described check band 70 to be connected with the arrestment mechanism of described wheel 12.Wherein,
Front, rear are the lead definition of the engineering haulage gear with the present embodiment, and a side at bail 20 place is front,
One side at wheel 12 place is rear.Referring to that in the present embodiment, described check band 70 is steel wire rope, described check band 70 is positioned at described
Traction body 10 is internal, for the ease of illustrating described check band 70, illustrates out with dotted line in accompanying drawing.Described check band 70 is in institute
The rear portion stating traction body 10 is divided into the first check band and the second check band, described first check band and the braking of a wheel 12
Mechanism connects, and described second check band is connected with the arrestment mechanism of another wheel 12.
Above-mentioned engineering haulage gear, when truck combination tractor emergency brake during advancing of tractor with trailer composition
Time, tractor speed reduces, and trailer keeps constant due to effect of inertia instantaneous velocity, and engineering haulage gear, by inertia effects, leads
Drawing ring 20 and clash at tractor hook, tractor hook produces propulsive thrust and promotes bail 20 to run backward bail 20, enters
And, bail 20 drives axis of traction 30 rearward movement, and the promotion plate 60 being located on axis of traction 30 promotes plectrum 40 rearward movement, dials
Sheet 40 rotates relative to traction body 10, pulls the check band 70 being arranged on its underpart, and wheel 12 is braked by check band 70；
When, after the propulsive thrust disappearance that inertia produces, plectrum 40 sets back automatically, and service brake disappears therewith, and engineering haulage gear recovers
Properly functioning.Described engineering haulage gear, utilizes the machinery inertial in traveling process to carry out service brake design, by plectrum 40
The drive check band 70 that swings back and forth move, and then this engineering haulage gear is carried out service brake, simple in construction, mounting or dismounting side
Just, low cost of manufacture, the inertia problem that engineering haulage gear causes due to tractor emergency brake in traveling can be met, use peace
Entirely, while ensureing tractor and personal safety, the equipment safety on engineering haulage gear is protected.
In the present embodiment, described engineering haulage gear also includes being set in the resilient snubber outside described axis of traction 30
80, described axis of traction 30 is provided with limiting plate 90 near the shaft part of described bail 20, and described resilient snubber 80 is positioned at described
Between limiting plate 90 and described fixing sleeve 50.By arranging resilient snubber 80, on the one hand, bail 20 can be played elasticity
Cushioning effect, prevents bail 20 from clashing into and excessive equipment is caused damage, and on the other hand, the propulsive thrust produced when inertia disappears
After, the counteracting force of described resilient snubber 80 can drive promotion plate 60 to move forward, and then contribute to plectrum 40 and preferably recover former
The engineering haulage gear of position, beneficially the present embodiment recovers properly functioning, operates safe and reliable.In the present embodiment, described elasticity
Bolster 80 is spring or gum elastic, and buffering and resilience are effective.
In the present embodiment, described engineering haulage gear also includes that protective housing 100, described protective housing 100 are located at institute
Stating outside axis of traction 30, described protective housing 100 is connected with the head of described traction body 10, and described fixing sleeve 50 is with described
Protective housing 100 connects.Described fixing sleeve 50 is connected by the indirect head with described traction body 10 of described protective housing 100
Connect.By arranging protective housing 100, it is possible to axis of traction 30, fixing sleeve 50 and plectrum 40 are located at inside it, to traction
Axle 30, fixing sleeve 50 and plectrum 40 play a protective role, and prevent from being disturbed by external factor in service braking operation, and this
The head of the engineering haulage gear of embodiment has seen to be an entirety, and whole structure is good.
In the present embodiment, described traction body 10 includes the first rocking arm 13 and the second rocking arm 14, described first rocking arm 13
Rear portion is provided with described wheel shaft 11, and described first rocking arm 13 is hinged with described wheel shaft 11, and one end of described second rocking arm 14 is with described
The front end of the first rocking arm 13 is hinged, and the other end of described second rocking arm 14 is connected with described protective housing 100.First rocking arm 13 with
Wheel shaft 11 is hinged, and the second rocking arm 14 is hinged with the first rocking arm 13, when the traction body 10 of the present embodiment is actually used, and the first rocking arm
13, the equal scalable in angle of inclination of the second rocking arm 14.Stable support wheel 15 it is additionally provided with on described traction body 10, concrete, institute
State the stable wheel 15 that supports and be arranged on the front portion of described first rocking arm 13.And then, when described traction body 10 does not uses, described surely
The fixed wheel 12 supporting wheel 15 and wheel shaft 11 two ends can form stable triangular structure, and what described traction body 10 can be stable consolidates
Fixed.
Further, described engineering haulage gear also includes that the first fixture 110, described second rocking arm 14 include two pieces of phases
To the rocking arm plate body 141 arranged, described protective housing 100 includes the transverse slat 102 being arranged on above described axis of traction 30 and sets
Put at described transverse slat 102 along the side plate 104 of axis of traction 30 axial direction both sides, two blocks of side plates 104 of described protective housing 100
Between two pieces of rocking arm plate bodys 141 of described second rocking arm 14, described side plate 104 and described rocking arm plate body 141 are by described the
One fixture 110 connects, and described plectrum 40 is hinged with described first fixture 110.Two blocks of side plates 104 of protective housing 100 with
Two pieces of rocking arm plate bodys 141 of the first rocking arm 13 are connected by the first fixture 110, and then can realize protective housing 100 and traction
The head of body 10 connects.Described plectrum 40 realizes being connected with the head rotation of traction body 10 by the first fixture 110.This
In embodiment, described first fixture 110 includes fixing screw and fixing bolt, described protective housing 100 and traction body 10
Head be bolted, connect reliable, be convenient to mount and dismount.Further, the front portion of described first rocking arm 13 is additionally provided with fixing
Plate 120, described fixed plate 120 is provided with fixing support bar 130, and described fixing support bar 130 is away from the one of described fixed plate 120
End is connected with described transverse slat 102.Use said structure, it is possible to the described protective housing 100 of the most fixing support, it is ensured that described guarantor
The mounting stability of protective case body 100.
Described engineering haulage gear also includes the cube knot that the second fixture 140, described fixing sleeve 50 are hollow structure
Structure, a pair side that described fixing sleeve 50 is relative is equipped with and runs through through hole, described axis of traction 30 pass through described in run through through hole
Through described fixing sleeve 50, described fixing sleeve 50 is solid by described second with two blocks of side plates 104 of described protective housing 100
Locking member 140 connects.In the present embodiment, described second fixture 140 includes fixing screw and fixing bolt, described fixing sleeve 50
It is bolted with protective housing 100, connects reliable, be convenient to mount and dismount.
The service braking operation of the engineering haulage gear described in the present embodiment is as follows: when the automobile of tractor with trailer composition
Train is during advancing during tractor emergency brake, and tractor speed reduces, and trailer keeps constant due to effect of inertia instantaneous velocity,
Engineering haulage gear is by inertia effects, and bail 20 clashes at tractor hook, and tractor hook produces counter pushing away to bail 20
Try hard to recommend dynamic bail 20 to run backward, and then, bail 20 drives axis of traction 30 rearward movement, is located at the promotion on axis of traction 30
Plate 60 promotes plectrum 40 rearward movement, and plectrum 40 rotates relative to traction body 10, pulls the check band 70 being arranged on its underpart,
Wheel 12 is braked by check band 70；When, after the propulsive thrust disappearance that inertia produces, plectrum 40 sets back automatically, service brake
Disappearing therewith, engineering haulage gear recovers properly functioning.Engineering haulage gear described in the present embodiment, utilizes in traveling process
Machinery inertial carries out service brake design, is moved by the drive check band 70 that swings back and forth of plectrum 40, and then leads this engineering
Draw mechanism and carry out service brake, simple in construction, be convenient to mount and dismount, easy to maintenance, simple to operate, low cost of manufacture, work can be met
The inertia problem that journey haulage gear causes due to tractor emergency brake in traveling, uses safety, is ensureing tractor and person peace
While Quan, protect the equipment safety on engineering haulage gear.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed several embodiments of the present utility model, and it describes more concrete and detailed,
But therefore can not be interpreted as the restriction to utility model patent scope.It should be pointed out that, for the common skill of this area
For art personnel, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into
Protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (10)
1. an engineering haulage gear, it is characterised in that include drawing body, bail, axis of traction, plectrum and leading with described
Drawing the fixing sleeve that the head of body connects, the rear portion of described traction body is provided with wheel shaft, being respectively arranged at two ends with of described wheel shaft
Wheel, one end of described axis of traction is connected with described bail, and the other end of described axis of traction passes described fixing sleeve energy
The most described enough fixing sleeve moves forward and backward, and described axis of traction is additionally provided with promotion plate, and described promotion plate is positioned at described fixed cover
Cylinder is away from the side of described bail, and described plectrum is connected with the head rotation of described traction body, the upper bit of described plectrum
In the rear of described promotion plate, the bottom of described plectrum connects check band, the other end of described check band and described wheel
Arrestment mechanism connects.
Engineering haulage gear the most according to claim 1, it is characterised in that also include being set in outside described axis of traction
Resilient snubber, described axis of traction is provided with limiting plate near the shaft part of described bail, and described resilient snubber is positioned at described
Between limiting plate and described fixing sleeve.
Engineering haulage gear the most according to claim 2, it is characterised in that also include protective housing, described protective housing
Being located at outside described axis of traction, described protective housing is connected with the head of described traction body, and described fixing sleeve is with described
Protective housing connects.
Engineering haulage gear the most according to claim 3, it is characterised in that described traction body includes the first rocking arm and
Two rocking arms, the rear portion of described first rocking arm is provided with described wheel shaft, and described first rocking arm is hinged with described wheel shaft, described second rocking arm
One end hinged with the front end of described first rocking arm, the other end of described second rocking arm is connected with described protective housing.
Engineering haulage gear the most according to claim 4, it is characterised in that also including the first fixture, described second shakes
Arm includes two pieces of rocking arm plate bodys being oppositely arranged, and described protective housing includes the transverse slat being arranged on above described axis of traction and sets
Putting at described transverse slat along the side plate of axis of traction axial direction both sides, two blocks of side plates of described protective housing are positioned at described second rocking arm
Two pieces of rocking arm plate bodys between, described side plate is connected by described first fixture with described rocking arm plate body, described plectrum and institute
State the first fixture hinged.
Engineering haulage gear the most according to claim 5, it is characterised in that also include the second fixture, described fixed cover
Cylinder is the cube structure of hollow structure, a pair side that described fixing sleeve is relative is equipped with and runs through through hole, described axis of traction
By the described through hole that runs through through described fixing sleeve, described fixing sleeve and the two of described protective housing blocks of side plates are by described
Second fixture connects.
Engineering haulage gear the most according to claim 6, it is characterised in that the front portion of described first rocking arm is additionally provided with fixing
Plate, described fixed plate is provided with fixing support bar, and described fixing support bar connects with described transverse slat away from one end of described fixed plate
Connect.
8. according to the engineering haulage gear described in any one of claim 1-7, it is characterised in that be additionally provided with on described traction body
Stably support wheel.
9. according to the engineering haulage gear described in any one of claim 2-7, it is characterised in that described resilient snubber is spring
Or gum elastic.
10. according to the engineering haulage gear described in any one of claim 1-7, it is characterised in that described check band is steel wire rope,
Described check band is positioned at described traction body interior, described check band be divided at the rear portion of described traction body the first check band and
Second check band, the arrestment mechanism of described first check band and a wheel connects, described second check band and another wheel
Arrestment mechanism connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763210.0U CN205871643U (en) | 2016-07-18 | 2016-07-18 | Engineering drive mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620763210.0U CN205871643U (en) | 2016-07-18 | 2016-07-18 | Engineering drive mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205871643U true CN205871643U (en) | 2017-01-11 |
Family
ID=57698594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620763210.0U Withdrawn - After Issue CN205871643U (en) | 2016-07-18 | 2016-07-18 | Engineering drive mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205871643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143022A (en) * | 2016-07-18 | 2016-11-23 | 广州威能机电有限公司 | Engineering haulage gear |
| CN109080391A (en) * | 2017-08-21 | 2018-12-25 | 杭州富阳新远新能源有限公司 | A kind of Anti-collision automobile reel |
-
2016
- 2016-07-18 CN CN201620763210.0U patent/CN205871643U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143022A (en) * | 2016-07-18 | 2016-11-23 | 广州威能机电有限公司 | Engineering haulage gear |
| CN106143022B (en) * | 2016-07-18 | 2019-01-08 | 广州威能机电有限公司 | Engineering traction mechanism |
| CN109080391A (en) * | 2017-08-21 | 2018-12-25 | 杭州富阳新远新能源有限公司 | A kind of Anti-collision automobile reel |
| CN109080391B (en) * | 2017-08-21 | 2020-01-17 | 杭州富阳新远新能源有限公司 | Anticollision formula car reel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201049639Y (en) | Mechanical synchronization mine anti-sliding vehicle | |
| CN205871643U (en) | Engineering drive mechanism | |
| CN203698249U (en) | System for protecting trackless rubber-tyred vehicle under runaway speed | |
| CN103786694B (en) | The automobile-used speed runaway protection system of a kind of trackless rubber-tyred | |
| CN202226600U (en) | Inertia braking device for lifting winch | |
| CN103693071B (en) | A kind of hand brake device being arranged on railway hopper car underframe | |
| CN203282980U (en) | Run-flat automobile safety hub | |
| WO2010124304A1 (en) | Machine travelling on a monorail with a rectangular cross-section | |
| CN102910190A (en) | Anti-running mine car | |
| CN106143022A (en) | Engineering haulage gear | |
| CN203391754U (en) | Auxiliary brake | |
| CN101854037B (en) | Utility pole work car | |
| CN205872020U (en) | Follow trailer that tractor was applied brake simultaneously | |
| CN208774420U (en) | Semi-trailer bearing bridge | |
| CN209395525U (en) | Bogie units and road rail vehicle walking system comprising the bogie units | |
| CN103935338B (en) | Brake device driving mechanism | |
| CN103738315B (en) | Hand brake mechanism of motor vehicle | |
| CN209210269U (en) | The hypervelocity autobrake system of mine endless rope winch | |
| CN201932188U (en) | Emergency brake device of mining car | |
| CN202465157U (en) | Protection lock for lifting device | |
| CN107351965B (en) | Power-off protection brake device for electric vehicle | |
| CN201792866U (en) | Bogie side frame with lifting lugs | |
| CN201566649U (en) | Rail-mounted vehicle operating machine | |
| CN202481086U (en) | Monorail crane safety arrestment vehicle for mining | |
| CN204340996U (en) | A kind of vehicle auxiliary brake mechanism |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20190108 |
|
| AV01 | Patent right actively abandoned |